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Finding the Fourth Proportional to 444,810.60, 667,215.90 and 415,067.40

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Solution

The fourth proportional to 444,810.60, 667,215.90 and 415,067.40 is: 622,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,810.60 : 667,215.90 = 415,067.40 : x
  2. Step 2: Convert to fraction form
    444,810.60/667,215.90 = 415,067.40/x
  3. Step 3: Cross multiply
    444,810.60x = 667,215.90 × 415,067.40
  4. Step 4: Simplify right side
    444,810.60x = 276,939,568,851.66
  5. Step 5: Solve for x
    x = 276,939,568,851.66/444,810.60
  6. Step 6: Final answer
    x = 622,601.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.